Chord Distribution Analysis

Chord SymbolCountFrequency
Bb7b5b9433.3%
Ab7b5b9216.7%
Eb7sus216.7%
Gbmaj7216.7%
Abm718.3%
Db7b5b918.3%

Key Patterns Detected

PatternFunctionFrequency
Eb7sus -> Abm7Resolution (Minor)1
Abm7 -> Db7b5b9Setup (Major Key)1
Db7b5b9 -> Gbmaj7Resolution (Major)1

Harmonic Highlights

  • Dominant chords utilize b5 and b9 alterations, creating symmetrical tension blocks that resolve via non-traditional, gospel-influenced root movements.
  • The progression shifts from the Eb minor tonic area to the relative major (Gb major) through a standard ii-V-I sequence (Abm7-Db7-Gbmaj7).
  • Use of Eb7sus as a tonic substitute provides a modal, “suspended” quality that delays traditional minor resolutions, typical of Silver’s hard bop style.

Improvisation Focus The Half-Whole Diminished scale (applied over the altered dominant chords).

Difficulty Rating 4/5 — Navigating the constant tension of altered dominants and the rapid modulation to the relative major demands high-level scale fluency and harmonic awareness.


📚 Standard Available in:

The Real Book - Volume II
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